Cord for surgical ligatures



Patented Feb. 26, 1 -929.

PAUL isosr, or HOHEN-NEUENDORF, GERMANY.

CO BDFOR SURGICAL LTGATURES.

No Drawing. Application filed July 16, 1927, Quiet No. 206,377, and in Germany July 15, 1928.

Absorbable surgical cords were heretofore mostly made from twisted animal guts. The disadvantage of this element is that the same is not only not free from germs but often 5 very strongly infected and therefore it is extremely difficult to sterilize such .cordsi Also such cords can only be made of a limited length. If longer cords are needed they must be knotted together and such knots are 10. a hindrance.

In the market guts are scant and expensive.

Therefore amore complete and cheaper surgical sewing material has been for a long time very much wanted.

that firstly the blood serum is withdrawn from the muscle flesh by washing out or in any other suitable manner and that then the element material during its preparation undergoes sterilizing and hardening processesfor instance with formaline, chromic acid, solutions of iodine or other ingredients'that furthermore during the spinning and weav- It is known that animal sinews are used; for textile purposes for instance for the man; ufacture of felt. Suich sinews are extraordi-g' ing the poverty of germs of the element material is preserved and finally the finished spinning 0r texture is made ready for use by a' final sterilization taki or at any, desired time.

n place hereafter for instance one firstly ungreases by means of benzinoform the flesh fibres obtained under the strictest guardlngof the poverty of germs present from the very beginning, then sterilizes the same in a weak solution of formaline and tans the same. After the drying, the fibres are spun, during which process thetransfer of germs must possibly be prevented, and the finished textures are again submitted to a suitable sterilizin process which makes the same ab.-

solutely free from germs. germs can be effected by The freeing from chemicals, by the effect-of heat or in any other way. The spinnlngs or textures can be used vulcanized or not vulcanized. Also the spun fibre cords can be twisted together to stronger cords.

The advantages of the opposition to the principall (1) Reliable immunity described cord in heretofore used cord are from germs.

(2) Manufacture in suitable length with- "out knots.

(3) Manufacturerof any necessary, and

.uniform, strength of cord.

(4) Suflicient and uniform strength of pulling, flexibility, and ch apness.

Cords for surgical purposes made in a known manner from the muscles.

fresh flesh of the have signed my PAUL BOST. 

